Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:06 2013 Optimize a model with 11286 rows, 10956 columns and 43626 nonzeros Presolve removed 33 rows and 0 columns Presolve time: 0.05s Presolved: 11253 rows, 10956 columns, 43593 nonzeros Variable types: 10923 continuous, 33 integer (33 binary) Root relaxation: objective 3.716912e+04, 2127 iterations, 0.33 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 37169.1165 0 24 - 37169.1165 - - 0s H 0 0 41438.000000 37169.1165 10.3% - 0s 0 0 40956.4842 0 3 41438.0000 40956.4842 1.16% - 0s H 0 0 41317.000000 40956.4842 0.87% - 0s H 0 0 41004.000000 40956.4842 0.12% - 0s 0 0 40992.2105 0 2 41004.0000 40992.2105 0.03% - 0s 0 0 cutoff 0 41004.0000 41004.0000 0.0% - 0s Cutting planes: Implied bound: 23 MIR: 1 Explored 0 nodes (2948 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.100400000000e+04, best bound 4.100400000000e+04, gap 0.0%